CARBOXYLIC ACID 2,2-DICHLORO-3,3- DIMETHYLCYCLOPROPYLMETHYL ESTER COMPOUND AND AGRICULTURAL FUNGICIDE

摘要

NEW MATERIAL:The compound of formula I (m and n are 0 or 1; R<1> and R<2> are H, or may together form a single bond when both m and n are 1; Q is heterocyclic group having O, S, N, etc.). EXAMPLE:2,2-Dichloro-3,3-dimethylcyclopropylmethyl furan-2-carboxylate. USE:An agricultural fungicide exhibiting especially excellent effect against rice blast. PROCESS:The compound of formula I can be prepared, e.g. by reacting the compound of formula II with the compound of formula III (M<1> is halogen or OH) in an inert solvent at 0-100 deg.C.